2 A truss is loaded with various forces of magnitudes as shown in Fig. 2. Determine the forces in mem DJ, EJ, and IJ. D 3m 2 KN 3 kN 8m 6m 6 m 3 kN K 4 KN J 2 KN 8m H 1 KN 8m

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.